APA (7e ed.) Bronvermelding
Hudson, J. C. (2002). Across this land: A regional geography of the United States and Canada. Johns Hopkins University Press.
Chicago (17e ed.) Bronvermelding
Hudson, John C. Across This Land: A Regional Geography of the United States and Canada. Baltimore: Johns Hopkins University Press, 2002.
MLA (9e ed.) Bronvermelding
Hudson, John C. Across This Land: A Regional Geography of the United States and Canada. Johns Hopkins University Press, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.